Home / 55,043.09-75,933.38-37,143.87

Finding the Fourth Proportional to 55,043.09, 75,933.38 and 37,143.87

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Solution

The fourth proportional to 55,043.09, 75,933.38 and 37,143.87 is: 51,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.09 : 75,933.38 = 37,143.87 : x
  2. Step 2: Convert to fraction form
    55,043.09/75,933.38 = 37,143.87/x
  3. Step 3: Cross multiply
    55,043.09x = 75,933.38 × 37,143.87
  4. Step 4: Simplify right side
    55,043.09x = 2,820,459,403.49
  5. Step 5: Solve for x
    x = 2,820,459,403.49/55,043.09
  6. Step 6: Final answer
    x = 51,240.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.